R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 237
R5F21346CNFP#U0
Manufacturer Part Number
R5F21346CNFP#U0
Description
MCU 1KB FLASH 32K ROM 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/34Cr
Datasheet
1.R5F21346CNFPU0.pdf
(759 pages)
Specifications of R5F21346CNFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, PWM, Voltage Detect, WDT
Number Of I /o
43
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 204 of 723
Figure 15.3
Figure 15.4
Write 0 to the interrupt source
flag in the status register
Write back control data
Write back control data
DTC activation source
DTC activation source
Read control data
Read control data
Read DTC vector
Read DTC vector
Transfer data
Transfer data
generation
NMIF = 1?
generation
CHNE=1?
NMIF = 1?
CHNE=1?
Branch 1
Branch 1
End
End
No
No
No
No
Timer RC, Timer RD, or Flash Memory Interrupt Source
RD Interrupt Source
DTC Internal Operation Flowchart When DTC Activation Source is not SSU/I
DTC Internal Operation Flowchart When DTC Activation Source is Timer RC or Timer
Yes
Yes
Yes
Yes
Write back control data
Write back control data
Read control data
Read control data
Transfer data
Transfer data
CHNE=1?
CHNE=1?
No
No
Yes
Yes
Branch 1
0 is written to the bit among bits DTCENi0 to DTCENi7 and an interrupt request is generated
when transfer is either of the following:
- Transfer causing the DTCCTj (j = 0 to 23) register value to change from 1 to 0 in normal mode
- Transfer causing the DTCCTj register value to change from 1 to 0 while the RPTINT bit is 1 in
Branch 1
0 is written to the bit among bits DTCENi0 to DTCENi7 and an interrupt request is generated
when transfer is either of the following:
- Transfer causing the DTCCTj (j = 0 to 23) register value to change from 1 to 0 in normal mode
- Transfer causing the DTCCTj register value to change from 1 to 0 while the RPTINT bit is 1 in
DTCENi0 to DTCENi7: Bits in DTCENi (i = 0 to 6) registers
RPTINT, CHNE: Bits in DTCCRj registers
NMIF: Bit in DTCTL register
DTCENi0 to DTCENi7: Bits in DTCENi (i = 0 to 6) registers
RPTINT, CHNE: Bits in DTCCRj registers
NMIF: Bit in DTCTL register
repeat mode
repeat mode
Generate an interrupt request
Generate an interrupt request
Write 0 to the bit among
Write 0 to the bit among
Write back control data
Write back control data
DTCENi0 to DTCENi7
DTCENi0 to DTCENi7
Interrupt handling
Interrupt handling
Transfer data
Transfer data
for the CPU
for the CPU
CHNE=1?
CHNE=1?
No
No
Yes
Yes
Write back control data
Write back control data
Read control data
Read control data
Transfer data
Transfer data
CHNE=1?
CHNE=1?
No
No
Yes
Yes
2
C bus,
15. DTC
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